Longhorn Harlequin Beetle vs Nose Bot Fly of Horses
Side-by-side species comparison
| Attribute | Longhorn Harlequin Beetle | Nose Bot Fly of Horses |
|---|---|---|
| Scientific Name | Aristobia approximator | Gasterophilus haemorrhoidalis |
| Order | Coleoptera | Diptera |
| Family | Cerambycidae | Oestridae |
| Size | 30-55 mm | 10-14 mm |
| Habitat | Farmland | Farmland |
| Diet | Wood Feeders | Omnivores |
| Regions | Southeast Asia (Malaysia, Indonesia, Thailand, Philippines, Vietnam) | Europe, North America, Asia, North Africa |
| Conservation | Least Concern | Least Concern |
Longhorn Harlequin Beetle
A large longhorn beetle with attractive pale grey elytra marked with dark bands and spots in a harlequin pattern. Antennae are notably long, banded in black and grey.
Did You Know?
It is a significant pest of cacao plantations in Southeast Asia, with larvae tunneling through tree trunks causing branch dieback.
Nose Bot Fly of Horses
A dark-bodied bot fly that deposits reddish-black eggs around the lips of horses. Larvae penetrate the lip mucosa and migrate to the stomach, then before pupation they reattach to the rectal mucosa, causing irritation and inflammation. The name refers to the reddish rectal inflammation it causes.
Did You Know?
Before pupation, larvae reattach to the horse's rectum, causing such irritation that affected horses may rub their tails raw.